<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .father{
            /* width: 500px; */
            height: 500px;
            background-color: red;
            display: grid;
            /* 等分割块 */
            grid-template-columns: 1fr 1fr 1fr;
            grid-column-gap:50px;
        }
        .father div{
            /* width: 100px; */
            height: 100px;
            border: 1px solid #333;
        }
    </style>
</head>
<body>
    <div class="father">
        <div class=""></div>
        <div class=""></div>
        <div class=""></div>
    </div>
</body>
</html>